Clock



FIG. 1 is a perspective view of a clock showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view thereof, a left side view being symmetrical to the right side view;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a sectional view thereof, taken in the direction of arrows 7-7 in FIG. 2, with the internal mechanism of the clock omitted; and,

FIG. 8 is a referential rear view thereof illustrating the transparent portions.

The broken lines in FIG. 6 represent a boundary, the area within which forms no part of the claimed design. 

CLAIM The ornamental design for a clock, as shown and described. 